Acacia argutifolia
| Acacia argutifolia | |
|---|---|
| Scientific classification | |
| Kingdom: | Plantae |
| (unranked): | Angiosperms |
| (unranked): | Eudicots |
| (unranked): | Rosids |
| Order: | Fabales |
| Family: | Fabaceae |
| Genus: | Acacia |
| Species: | A. argutifolia |
| Binomial name | |
|
Acacia argutifolia Maslin |
|
Acacia argutifolia, commonly known as the East Barrens wattle, is a shrub belonging to the genus Acacia and the subgenus Phyllodineae.
The low and spreading intricately branched shrub typically grows to a height of 0.2 to 0.7 metres (1 to 2 ft). It blooms from July to December and produces yellow flowers. The pungent phyllodes are mostly patent with a straight or shallowly recurved shape. They are trigonous-terete approximately 6 to 13 millimetres (0.24 to 0.51 in) in length and 1 mm (0.04 in) wide. The branchlets are puberulous to hirsutellous with 1.5 to 2 mm (0.06 to 0.08 in) long stipules. The inflorescences are simple with one per axil. The peduncles are 5 to 7 mm (0.20 to 0.28 in) long, the heads are globular containing 23 to 25 flowers that are pale yellow to cream in colour. Seed pods are biconvex and shallowly constricted between seeds. The pods are approximately 4 cm (1.57 in) long and 2 to 4 mm (0.08 to 0.16 in) wide and red-brown to dark brown in colour. The shrub is similar to Acacia simulans.
It is native to a small area in the Fitzgerald River National Park in Great Southern regions of Western Australia. It grows in shallow sand over quartzite among low open heath, shrubland and mallee communities.
The species was first formally described by the botanist Bruce Maslin in 1976 as part of the work Studies in the genus Acacia (Mimosaceae) - Miscellaneous new phyllodinous species published in the journal Nuytsia. The only known synonym is Racosperma argutifolium as described by Leslie Pedley in 2003.
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